Patents by Inventor Victor Todman

Victor Todman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Article with improved tamper evidence
    Patent number: 6471058
    Abstract: An article, such as a tamper evident container, includes an indicator having a first layer including a thermochromic ink composition, and a second layer, disposed on the first layer, having a composition different from the ink composition of the first layer. The article exhibits better evidence of tampering. The first and/or second layer can be in the form of a message.
    Type: Grant
    Filed: May 4, 2001
    Date of Patent: October 29, 2002
    Assignee: Sealed Air Corporation
    Inventors: Rengan Kannabiran, Charles P. Kannankeril, Donald E. Setter, Victor Todman
  • Article with improved tamper evidence
    Publication number: 20010022280
    Abstract: An article, such as a tamper evident container, includes an indicator having a first layer including a thermochromic ink composition, and a second layer, disposed on the first layer, having a composition different from the ink composition of the first layer. The article exhibits better evidence of tampering. The first and/or second layer can be in the form of a message.
    Type: Application
    Filed: May 4, 2001
    Publication date: September 20, 2001
    Inventors: Rengan Kannabiran, Charles P. Kannankeril, Donald E. Setter, Victor Todman
  • Tamper evident bag
    Patent number: 6270256
    Abstract: A tamper evident bag comprises a slit therein to provide access to the interior of the bag, and a closure flap arranged to be adhered to the bag over the slit in order to seal the bag. The bag has an indicator strip which is covered by the closure flap when the bag is sealed. This indicator strip comprises a material having a surface tension less than or substantially equal to that of saliva and serves to indicate wetting of the bag or closure flap prior to attempted sealing.
    Type: Grant
    Filed: December 29, 1997
    Date of Patent: August 7, 2001
    Assignee: Sealed Air Corporation
    Inventor: Victor Todman
  • Article with improved tamper evidence
    Patent number: 6264033
    Abstract: An article, such as a tamper evident container, includes an indicator having a first layer including a thermochromic ink composition, and a second layer, disposed on the first layer, having a composition different from the ink composition of the first layer. The article exhibits better evidence of tampering. The first and/or second layer can be in the form of a message.
    Type: Grant
    Filed: March 14, 2000
    Date of Patent: July 24, 2001
    Assignee: Sealed Air Corporation
    Inventors: Rengan Kannabiran, Charles P. Kannankeril, Donald E. Setter, Victor Todman
  • Bag including an encodable device responsive to remote interrogation and an associated fabrication method
    Patent number: 5635917
    Abstract: A security bag includes an electronic memory device which may be read remotely using non-visual means. A method of processing such a bag comprises the steps of encoding information onto the tag in non-visible form, retaining the device on or in the bag, and subsequently retrieving the information. A variant provides the memory device of the electronic tag and the electromagnetic or inductive coil being separately located and connected across the seal of the bag by a conductor designed to break upon attempted opening of the bag.
    Type: Grant
    Filed: November 3, 1994
    Date of Patent: June 3, 1997
    Assignee: Trigon Cambridge Limited
    Inventor: Victor Todman